Key	Year	Country	Breed	Number of lactations	Length of the lactations (days)	Milk yield per recorded cow (kg)	Milk per cow in 305 days (kg)	Percent of fat content (%)	Percent of protein content (%)	Calving interval (days)	Others	E-mail address of the responsible
7	2007	GREECE	H-F	28.660	322	8.753,95	7.600,84	3,89%		451		ve46u038@minagric.gr
6	2006	GREECE	H-F	26.559	321	8.461,09	7.461,48	3,94%		427		ve46u038@minagric.gr
5	2005	GREECE	H-F	21.917	320	8.528,30	7.292,81	3,80%		430		ve46u038@minagric.gr
4	2004	GREECE	H-F	10.438	315	7.155,92	6.728,04	3,84%		440		ve46u038@minagric.gr
3	2003	GREECE	H-F	2.328	309	6.939,8	6.479.83	3,84%		438		ve46u038@minagric.gr
2	2002	GREECE	H-F	12150	309	6454,32	6370,54	3,46		390		Ve46u011@minagric.gr
1	2001	GREECE	H-F	22752	309	6233,1	6122,63	3,48		391		Ve46u011@minagric.gr